package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JDBCDemo3 {
    public static void main(String[] args) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root","root");
        Statement statement = connection.createStatement();
        String sql = "UPDATE userinfo SET password='6666666' WHERE username='张三'";
        int i = statement.executeUpdate(sql);
        System.out.println(i>0?"修改成功":"修改失败");
        connection.close();
    }
}
